Connecting device facilitating replacement of auger cylinder supporting shaft

Abstract

The utility model provides a connecting device facilitating replacement of an auger cylinder supporting shaft, and belongs to the technical field of harvesters, the supporting shaft sequentially penetrates through the circle centers of a first disc and a second disc, a limiting plate is arranged on the supporting shaft, a first fixing disc and a second fixing disc are arranged between the first disc and the second disc, the first fixing disc is tightly attached to the first disc, and the second fixing disc is tightly attached to the second disc. The second fixing disc is tightly attached to the second disc, the supporting shaft sequentially penetrates through the circle centers of the first fixing disc and the second fixing disc, the limiting plate is located on the side, away from the first fixing disc, of the first disc, and a bolt is arranged between the limiting plate and the first fixing disc. A limiting plate is arranged on the supporting shaft, the supporting shaft and the limiting plate can be integrally formed or welded, the first disc and the first fixing disc are integrally formed through welding or the like, the supporting shaft enables the limiting plate and the first fixing disc to be connected through a plurality of bolts, and when the supporting shaft is damaged, only the bolts need to be loosened, and the supporting shaft and the first fixing disc can be fixed. Therefore, the supporting shaft can be disassembled from the auger cylinder more conveniently, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of harvesters, in particular to a connecting device which is convenient for replacing a supporting shaft of an auger cylinder. Background Art

[0002] Telescopic teeth are an important component of a harvester. For example, the publication number: CN2768409Y, name: Cutting table telescopic picking fingers and fully distributed auger, discloses a "cutting table telescopic picking fingers and fully distributed auger, which includes an auger barrel, blades and picking finger barrel, the picking finger barrel is arranged in the middle position, and auger barrels are arranged on both sides thereof, and blades with opposite rotation directions are arranged on the auger barrel, and rotate toward the middle in coordination with the rotation direction of the auger barrel, and telescopic picking fingers are also arranged along the entire length of the auger barrel; through this design scheme, the gripping ability and uniform feeding performance are improved, the entanglement and accumulation of wet crops in the process of uneven feeding are solved, and the blockage caused by the grain transportation process is avoided. The main structure adopts telescopic fingers, which has a simple structure and is easy to maintain and replace". However, the existing auger barrel transmits power to rotate through the support shaft, and the support shaft is easy to break during the rotation process. In the above patent, the support shaft is welded to the auger barrel. Once the support shaft breaks, it is necessary to replace the entire auger barrel or remove the support shaft through the auger barrel, which is a cumbersome operation.

[0003] Therefore, there is an urgent need for a retractable tooth fixing device that is easy to disassemble and reliable. Utility Model Content

[0004] In view of this, the utility model proposes a connecting device in which the support shaft and the auger barrel are designed to be separated and easy to disassemble and replace.

[0005] The technical solution of the utility model is achieved as follows: a connecting device for facilitating replacement of the support shaft of an auger drum, comprising a first disk, a second disk and a support shaft, the support shaft sequentially passing through the centers of the first disk and the second disk, characterized in that: it also includes a limit plate, a first fixed disk and a second fixed disk, the limit plate is arranged on the support shaft, the first fixed disk and the second fixed disk are arranged between the first disk and the second disk, the first fixed disk is tightly attached to the first disk, the second fixed disk is tightly attached to the second disk, the support shaft sequentially passes through the centers of the first fixed disk and the second fixed disk, the limit plate is located on the side of the first disk away from the first fixed disk, and a plurality of bolts are arranged between the limit plate and the first fixed disk.

[0006] On the basis of the above technical solution, preferably, it further comprises a shaft sleeve, wherein the shaft sleeve is fixedly arranged on the supporting shaft, and the limiting plate and the second fixed plate are fixedly arranged on the shaft sleeve.

[0007] On the basis of the above technical solution, preferably, the sleeve includes a first sleeve and a second sleeve, the first sleeve and the second sleeve are fixedly connected, the outer diameter of the first sleeve is larger than the outer diameter of the second sleeve, and the limit plate is arranged on the second sleeve.

[0008] On the basis of the above technical solution, preferably, a second fixing hole is provided on the second fixing plate, the second fixing hole coincides with the center of the second fixing plate, and the second sleeve passes through the second fixing hole.

[0009] On the basis of the above technical solution, preferably, a second limiting ring is provided on the side of the second fixed disk facing the limiting plate, and the second limiting ring extends to the outer periphery of the second fixed disk; the second disk includes a second disk connecting hole, and the second disk connecting hole is fixed on the second fixed disk around the second limiting ring.

[0010] On the basis of the above technical solution, preferably, a first fixing hole is provided on the first fixing plate, the first fixing hole coincides with the center of the first fixing plate, and the support shaft passes through the first fixing hole.

[0011] On the basis of the above technical solution, preferably, a first limiting ring is provided on the side of the first fixed disk facing the first disk, and the first limiting ring extends to the outer periphery of the first fixed disk; the first disk includes a first disk connecting hole, and the first disk connecting hole is fixed on the first fixed disk around the first limiting ring.

[0012] On the basis of the above technical solution, preferably, it also includes a support tube, wherein a first fixing ring is arranged on the side of the first fixing plate away from the first limiting ring, and a second fixing ring is arranged on the side of the second fixing plate away from the second limiting ring; one end of the support tube is fixedly arranged on the first fixing ring, and the other end of the support tube is fixedly arranged on the second fixing ring.

[0013] On the basis of the above technical solution, preferably, a first connecting piece is provided on the outer periphery of the first disk, and a second connecting piece is provided on the outer periphery of the second disk.

[0014] On the basis of the above technical solution, preferably, the first connecting piece is arranged around the first disk, and the second connecting piece is arranged around the second disk.

[0015] The utility model provides a connection device for facilitating replacement of the auger barrel support shaft, which has the following beneficial effects compared with the prior art:

[0016] (1) A limit plate is provided on the support shaft, and the support shaft and the limit plate can be integrally formed or welded, the first plate and the first fixed plate are integrally formed by welding, etc., and the support shaft connects the limit plate and the first fixed plate by a plurality of bolts. When the support shaft is damaged, the support shaft can be removed from the auger barrel by simply loosening the plurality of bolts, which makes disassembly more convenient and reduces maintenance costs;

[0017] (2) The outer diameter of the first sleeve is larger than that of the second sleeve. Even if the connection between the limit plate and the second sleeve fails, the first sleeve will block the lower inner plate and the limit plate will not detach from the second sleeve. This prevents the limit plate from detaching from the second sleeve and being thrown out directly during high-speed rotation of the equipment, causing a safety accident. This improves the safety and reliability of the entire equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a three-dimensional diagram of a connecting device for facilitating replacement of the supporting shaft of the auger barrel according to the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the connection device of the utility model;

[0021] Figure 3 For this utility model Figure 2 sectional view of . DETAILED DESCRIPTION

[0022] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-3As shown, a connecting device for facilitating replacement of the support shaft of the auger barrel comprises a first disk 11, a second disk 12 and a support shaft 2, wherein the support shaft 2 sequentially passes through the centers of the first disk 11 and the second disk 12, and further comprises a limit plate 33, a first fixed disk 31 and a second fixed disk 32, wherein the limit plate 33 is arranged on the support shaft 2, the first fixed disk 31 and the second fixed disk 32 are arranged between the first disk 11 and the second disk 12, the first fixed disk 31 is closely attached to the first disk 11, and the second fixed disk 32 is closely attached to the second disk 12, the support shaft 2 sequentially passes through the centers of the first fixed disk 31 and the second fixed disk 32, the limit plate 33 is located on the side of the first disk 11 away from the first fixed disk 31, and a plurality of bolts 4 are arranged between the limit plate 33 and the first fixed disk 31. A limit plate 33 is provided on the support shaft 2, and the support shaft 2 and the limit plate 33 can be integrally formed or welded, the first plate 11 and the first fixed plate 31 are integrally formed by welding, etc., and the support shaft 2 connects the limit plate 33 and the first fixed plate 31 by a plurality of bolts 4. When the support shaft 2 is damaged, the support shaft 2 can be removed from the auger barrel by simply loosening the bolts 4, which makes disassembly more convenient and reduces maintenance costs.

[0024] The shaft sleeve 5 is also included, and the shaft sleeve 5 is fixedly arranged on the support shaft 2, and the limiting plate 33 and the second fixed plate 32 are fixedly arranged on the shaft sleeve 5. The shaft sleeve 5 is used to fix the limiting plate 33 and the second fixed plate 32.

[0025] The sleeve 5 includes a first sleeve 51 and a second sleeve 52, which are fixedly connected. The outer diameter of the first sleeve 51 is larger than the outer diameter of the second sleeve 52, and the limit plate 33 is arranged on the second sleeve 52. The limit plate 33 is arranged on the second sleeve 52. Because the limit plate 33 is arranged on the second sleeve 52 by welding or plugging, in order to avoid the limit plate 33 sliding on the second sleeve 52, resulting in a decrease in the reliability and safety of the entire device, the outer diameter of the first sleeve 51 is larger than the second sleeve 52. Even if the connection between the limit plate 33 and the second sleeve 52 fails, the first sleeve 51 will block the lower inner plate 33, and the limit plate 33 will not be separated from the second sleeve 52, so as to avoid the limit plate 33 being separated from the second sleeve 52 and thrown out directly during the high-speed rotation of the equipment, resulting in a safety accident, thereby improving the safety and reliability of the entire equipment.

[0026] The second fixing plate 32 is provided with a second fixing hole 321 , and the second fixing hole 321 coincides with the center of the second fixing plate 32 . The second sleeve 52 passes through the second fixing hole 321 , thereby improving the concentricity of the entire device and making the auger barrel run more smoothly.

[0027] A second limiting ring 322 is provided on the side of the second fixed disk 32 facing the limiting plate 33, and the second limiting ring 322 extends to the outer periphery of the second fixed disk 32; the second disk 12 includes a second disk connecting hole 121, and the second disk connecting hole 121 is fixedly arranged on the second fixed disk 32 around the second limiting ring 322.

[0028] The first fixing plate 31 is provided with a first fixing hole 311 . The first fixing hole 311 coincides with the center of the first fixing plate 31 , and the support shaft 2 passes through the first fixing hole 311 .

[0029] A first limiting ring 312 is provided on the side of the first fixed disk 31 facing the first disk 11, and the first limiting ring 312 extends to the outer periphery of the first fixed disk 31; the first disk 11 includes a first disk connecting hole 111, and the first disk connecting hole 111 is fixedly provided on the first fixed disk 31 around the first limiting ring 312.

[0030] The device further comprises a support tube 13, wherein a first fixing ring 313 is disposed on the side of the first fixing plate 31 away from the first limiting ring 312, and a second fixing ring 323 is disposed on the side of the second fixing plate 32 away from the second limiting ring 322; one end of the support tube 13 is fixedly disposed on the first fixing ring 313, and the other end of the support tube 13 is fixedly disposed on the second fixing ring 323. The support tube 13 increases the connection strength between the first fixing plate 31 and the second fixing plate 32, thereby improving the reliability of the entire device.

[0031] A first connecting piece 112 is provided at the periphery of the first disk 11, and a second connecting piece 122 is provided at the periphery of the second disk 12. The first connecting piece 112 is provided around the first disk 11, and the second connecting piece 122 is provided around the second disk 12. The first connecting piece 112 and the second connecting piece 122 are used to connect the inner wall of the auger cylinder 6, and the first connecting piece 112 and the second connecting piece 122 are welded to the inner wall of the auger cylinder 6 to improve the connection strength.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection device for facilitating replacement of an auger support shaft, comprising a first plate (11), a second plate (12) and a support shaft (2), wherein the support shaft (2) passes through the center of the first plate (11) and the second plate (12) in sequence, and wherein: The invention also comprises a limit plate (33), a first fixed plate (31) and a second fixed plate (32); the limit plate (33) is arranged on the support shaft (2); the first fixed plate (31) and the second fixed plate (32) are arranged between the first plate (11) and the second plate (12); the first fixed plate (31) is closely attached to the first plate (11); the second fixed plate (32) is closely attached to the second plate (12); the support shaft (2) passes through the center of the first fixed plate (31) and the second fixed plate (32) in sequence; the limit plate (33) is located on a side of the first plate (11) away from the first fixed plate (31); and a plurality of bolts (4) are arranged between the limit plate (33) and the first fixed plate (31).

2. A connection device for facilitating replacement of the auger support shaft as claimed in claim 1, characterized in that: It also comprises a shaft sleeve (5), wherein the shaft sleeve (5) is fixedly arranged on the support shaft (2), and the limiting plate (33) and the second fixed plate (32) are fixedly arranged on the shaft sleeve (5).

3. A connection device for facilitating replacement of the auger support shaft as claimed in claim 2, characterized in that: The shaft sleeve (5) comprises a first sleeve (51) and a second sleeve (52), the first sleeve (51) and the second sleeve (52) are fixedly connected, the outer diameter of the first sleeve (51) is greater than the outer diameter of the second sleeve (52), and the limiting plate (33) is arranged on the second sleeve (52).

4. A connecting device for facilitating replacement of the auger support shaft as claimed in claim 3, characterized in that: The second fixing plate (32) is provided with a second fixing hole (321), the second fixing hole (321) coincides with the center of the second fixing plate (32), and the second sleeve (52) passes through the second fixing hole (321).

5. A connecting device for facilitating replacement of the auger support shaft as claimed in claim 4, characterized in that: A second limiting ring (322) is provided on one side of the second fixed disk (32) facing the limiting plate (33), and the second limiting ring (322) extends to the outer periphery of the second fixed disk (32); the second disk (12) comprises a second disk connecting hole (121), and the second disk connecting hole (121) is fixedly provided on the second fixed disk (32) around the second limiting ring (322).

6. A connection device for facilitating replacement of the auger support shaft as claimed in claim 1, characterized in that: The first fixing plate (31) is provided with a first fixing hole (311), the first fixing hole (311) coincides with the center of the circle of the first fixing plate (31), and the support shaft (2) passes through the first fixing hole (311).

7. A connecting device for facilitating replacement of the auger support shaft as claimed in claim 6, characterized in that: A first limiting ring (312) is provided on a side of the first fixed disk (31) facing the first disk (11), and the first limiting ring (312) extends to the outer periphery of the first fixed disk (31); the first disk (11) comprises a first disk connecting hole (111), and the first disk connecting hole (111) is fixedly provided on the first fixed disk (31) around the first limiting ring (312).

8. A connection device for facilitating replacement of the auger support shaft as claimed in claim 6, characterized in that: It also comprises a support tube (13), wherein a first fixing ring (313) is provided on a side of the first fixing plate (31) away from the first limiting ring (312), and a second fixing ring (323) is provided on a side of the second fixing plate (32) away from the second limiting ring (322); one end of the support tube (13) is fixedly arranged on the first fixing ring (313), and the other end of the support tube (13) is fixedly arranged on the second fixing ring (323).

9. A connecting device for facilitating replacement of the auger support shaft as claimed in claim 1, characterized in that: A first connecting piece (112) is provided on the outer periphery of the first disk (11), and a second connecting piece (122) is provided on the outer periphery of the second disk (12).

10. A connection device for facilitating replacement of the auger support shaft as claimed in claim 9, characterized in that: The first connecting piece (112) is arranged around the first plate (11), and the second connecting piece (122) is arranged around the second plate (12).

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